X/C 20W-50 is the first approved multiviscosity aviation oil for opposed piston engines and can be used year-round and in all weather conditions. Recommended for both break-in and everyday operation, it provides easier starts, quicker flow of oil to critical engine parts, and better engine performance than any traditional all-mineral singlegrade oil. X/C 20W-50 is formulated with an ashless dispersant package for cleaner engine operation. It meets the SAE J1899 specification, as well as MIL-22851-D.
All opposed piston engines
Our premium aviation piston engine oil
Contains ashless dispersant additive chemistry
Unmatched year-round performance
Great for use from break-in to TBO
Clean engine operation, low oil consumption and low engine wear
Easier starts and better oil flow
Free shipping and handling!!!
Sold in cases only - Case (4 Gal)